IMARX THERAPEUTICS COMPLETES $15 MILLION PRIVATE PLACEMENT

December 16, 2005

ImaRx Therapeutics, Inc., a biopharmaceutical company developing innovative
solutions for stroke and vascular disease, today announced the closing of an
equity financing, raising approximately $15 million in gross proceeds. The capital
will be used for general corporate purposes, to fund product acquisitions, and
to advance the clinical trials of the Company's lead products.